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Level III Ecoregions of Indiana

Revised March 1999
National Health and Environmental Effects Research Laboratory
U.S. Environmental Protection Agency

level III ecoregions of Indiana region 54   54. Central Corn Belt Plains
region 55   55. Eastern Corn Belt Plains
region 56   56. S. Michigan/N. Indiana Drift Plains
region 57   57. Huron/Erie Lake Plains
region 71   71. Interior Plateau
region 72   72. Interior River Lowland